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141:(Y) is used to achieve "cool" black. "Warm Black" is 35%C, 60%M, 60%Y, and 100%K. The colored ink under the black ink makes a "richer" result; the additional inks absorb more light, resulting in a closer approximation of true black. While, in theory, an even richer black can be made by using 100% of each of the four inks, in practice, the amount of non-black ink added is limited by the wetness that the
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and printing process can handle. (A safe and practical rule of thumb is that ink coverage should not exceed 240% on normal papers. Papers that "pick", such as low-end recycled papers, should have even less coverage.) Wetness is not a problem with
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issues. Rich black is often used for text printed over a picture or colored background, because otherwise any slight mis-registration between printing plates would produce a white or colored halo around the text, making it much harder to read.
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A typical rich black mixture might be 100% black, 50% of each of the other three inks. Other percentages are used to achieve specific results, for example 100% black with 70%
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This article is about the ink mixture created by combining black and some other color. For people named
Richard Black, see
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Rich black is often regarded as a color that is "blacker than black". While this is impossible from the point of view of
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A typical sample is shown for each name; a range of color-variations is commonly associated with each color-name.
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Downs, Simon (2005). "Is it a book, is it a screen, no it's…—graphics and the interface in electronic paper".
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The use of rich black has to be based on a full understanding of the printing conditions, including the inks,
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Care must be taken when using electronic design programs (e.g. when managing a CMYK document in
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colors, resulting in a darker tone than black ink alone generates in a printing process.
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values close to black; in an RGB document, "black" always equals RGB value (0, 0, 0).
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and especially the paper. If too much ink is used on poor quality paper such as
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Another reason to use rich black for small areas of black is to avoid
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154:(or "400% black") produces very striking results in laser prints.
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Johansson, Kaj; Lundberg, Peter; Ryberg, Robert (2012).
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Black ink mixed with other colors for a darker tone
408:Rich black versus plain black - Printernational
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219:The Guild Handbook of Scientific Illustration
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348:. Laurence King Publishing. p. 160.
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316:Intelligent Vision Systems for Industry
314:Batchelor, Bruce; Whelan, Paul (2012).
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293:. John Wiley & Sons. p. 332.
264:Obermeier, Barbara; Chan, Ron (2006).
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291:A Guide to Graphic Print Production
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68: Color coordinates
268:. Peachpit Press. p. 68.
41:over one or more of the other
21:Richard Black (disambiguation)
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247:Koopman, Harry Lyman (2007).
266:How to Wow with Illustrator
250:The Booklover and His Books
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123:: Normalized to (hundred)
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223:. John Wiley and Sons.
344:Gatter, Mark (2010).
215:R. S. Hodges (2003).
693:Printing terminology
346:Production for Print
107:(100, 100, 100, 100)
80:Rich black (typical)
371:Digital Creativity
152:registration black
104:Registration black
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99:(35, 60, 60, 100)
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253:. p. 6.
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159:color theory
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627:Super black
588:Smoky black
568:Outer space
543:Eerie black
494:Davy's gray
474:Black olive
672:Categories
637:Vantablack
578:Rich black
489:Cool black
469:Black bean
199:References
181:Corel Draw
96:Warm black
88:Cool black
51:Rich black
27:Rich black
170:newsprint
133:(C), 35%
553:Licorice
499:Dim gray
479:Charcoal
192:trapping
33:, is an
31:printing
391:5418426
135:magenta
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139:yellow
115:Hodges
112:Source
632:Taupe
504:Ebony
464:Black
387:S2CID
143:paper
39:black
29:, in
563:Onyx
350:ISBN
320:ISBN
295:ISBN
270:ISBN
225:ISBN
131:cyan
74:CMYK
43:CMYK
548:Jet
379:doi
185:RGB
179:or
35:ink
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
